Home / 3,103.07-4,285.89-2,053.31

Finding the Fourth Proportional to 3,103.07, 4,285.89 and 2,053.31

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Solution

The fourth proportional to 3,103.07, 4,285.89 and 2,053.31 is: 2,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.07 : 4,285.89 = 2,053.31 : x
  2. Step 2: Convert to fraction form
    3,103.07/4,285.89 = 2,053.31/x
  3. Step 3: Cross multiply
    3,103.07x = 4,285.89 × 2,053.31
  4. Step 4: Simplify right side
    3,103.07x = 8,800,229.10
  5. Step 5: Solve for x
    x = 8,800,229.10/3,103.07
  6. Step 6: Final answer
    x = 2,835.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.